Powershell: Special characters


I have some userprincipalnames (Windows 2008 R2 active directory) with special characters. (for instance: Š = S with caron). I need to list all the userprincipalnames that have thee special characters in them.

Could you please assist with a script.

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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
Use an inverse pattern:
get-aduser  -Filter * | ? { $_.UserPrincipalname -match '[^a-zA-Z0-9-_@.]' } | select UserPrincipalName

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This defines allowed characters. Everything NOT in the list will be shown.

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